bublbobl.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

/***************************************************************************

Bobble Bobble memory map (preliminary)

CPU #1
0000-bfff ROM (8000-bfff is banked)
CPU #2
0000-7fff ROM

CPU #1 AND #2
c000-dcff Graphic RAM. This contains pointers to the video RAM columns and
          to the sprites are contained in Object RAM.
dd00-dfff Object RAM (groups of four bytes: X position, code [offset in the
          Graphic RAM], Y position, gfx bank)
e000-f7fe RAM
f800-f9ff Palette RAM
fc01-fdff RAM

read:
ff00      DSWA
ff01      DSWB
ff02      IN0
ff03      IN1

write:
fa80      watchdog reset?
fc00      interrupt vector? (not needed by Bobble Bobble)

***************************************************************************/

#include "driver.h"
#include "vidhrdw/generic.h"
#include "z80/z80.h"


/* prototypes for functions in ../machine/bublbobl.c */
extern unsigned char *bublbobl_sharedram1,*bublbobl_sharedram2;
int bublbobl_interrupt(void);
int bublbobl_sharedram1_r(int offset);
int bublbobl_sharedram2_r(int offset);
void boblbobl_patch(void);
void bublbobl_patch(void);
void bublbobl_play_sound(int offset, int data);
void bublbobl_sharedram1_w(int offset, int data);
void bublbobl_sharedram2_w(int offset, int data);
void bublbobl_bankswitch_w(int offset, int data);

/* prototypes for functions in ../vidhrdw/bublbobl.c */
extern unsigned char *bublbobl_objectram;
extern int bublbobl_objectram_size;
void bublbobl_videoram_w(int offset,int data);
void bublbobl_objectram_w(int offset,int data);
void bublbobl_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
int bublbobl_vh_start(void);
void bublbobl_vh_stop(void);
void bublbobl_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);



void bublbobl_sound_command_w(int offset,int data)
{
	soundlatch_w(offset,data);
	cpu_cause_interrupt(2,Z80_NMI_INT);
}



static struct MemoryReadAddress readmem[] =
{
    { 0x0000, 0x7fff, MRA_ROM },
    { 0x8000, 0xbfff, MRA_BANK1 },
    { 0xc000, 0xf7ff, bublbobl_sharedram1_r },
	{ 0xf800, 0xf9ff, paletteram_r },
    { 0xfc01, 0xfdff, bublbobl_sharedram2_r },
    { 0xff00, 0xff00, input_port_0_r },
    { 0xff01, 0xff01, input_port_1_r },
    { 0xff02, 0xff02, input_port_2_r },
    { 0xff03, 0xff03, input_port_3_r },
    { -1 }  /* end of table */
};

static struct MemoryWriteAddress writemem[] =
{
	{ 0x0000, 0xbfff, MWA_ROM },
	{ 0xc000, 0xdcff, bublbobl_videoram_w, &videoram, &videoram_size },
	{ 0xdd00, 0xdfff, bublbobl_objectram_w, &bublbobl_objectram, &bublbobl_objectram_size },	/* handled by bublbobl_sharedram_w() */
	{ 0xc000, 0xf7ff, bublbobl_sharedram1_w, &bublbobl_sharedram1 },
	{ 0xf800, 0xf9ff, paletteram_RRRRGGGGBBBBxxxx_swap_w, &paletteram },
	{ 0xfa00, 0xfa00, bublbobl_sound_command_w },
	{ 0xfa80, 0xfa80, MWA_NOP },
	{ 0xfb40, 0xfb40, bublbobl_bankswitch_w },
	{ 0xfc01, 0xfdff, bublbobl_sharedram2_w, &bublbobl_sharedram2 },
	{ -1 }  /* end of table */
};

static struct MemoryReadAddress readmem_lvl[] =
{
	{ 0x0000, 0x7fff, MRA_ROM },
    { 0xc000, 0xf7ff, bublbobl_sharedram1_r },
	{ 0xf800, 0xf9ff, paletteram_r },
    { 0xfc01, 0xfdff, bublbobl_sharedram2_r },
	{ -1 }  /* end of table */
};

static struct MemoryWriteAddress writemem_lvl[] =
{
	{ 0x0000, 0x7fff, MWA_ROM },
	{ 0xcd00, 0xd4ff, bublbobl_videoram_w },
    { 0xc000, 0xf7ff, bublbobl_sharedram1_w },
	{ 0xf800, 0xf9ff, paletteram_RRRRGGGGBBBBxxxx_swap_w },
    { 0xfc01, 0xfdff, bublbobl_sharedram2_w },
	{ -1 }  /* end of table */
};


static struct MemoryReadAddress sound_readmem[] =
{
	{ 0x0000, 0x7fff, MRA_ROM },
	{ 0x8000, 0x8fff, MRA_RAM },
	{ 0x9000, 0x9000, YM2203_status_port_0_r },
	{ 0x9001, 0x9001, YM2203_read_port_0_r },
	{ 0xa000, 0xa000, YM3526_status_port_0_r },
	{ 0xb000, 0xb000, soundlatch_r },
	{ 0xb001, 0xb001, MRA_NOP },	/* sound chip? */
	{ 0xe000, 0xefff, MRA_ROM },	/* space for diagnostic ROM? */
	{ -1 }	/* end of table */
};

static struct MemoryWriteAddress sound_writemem[] =
{
	{ 0x0000, 0x7fff, MWA_ROM },
	{ 0x8000, 0x8fff, MWA_RAM },
	{ 0x9000, 0x9000, YM2203_control_port_0_w },
	{ 0x9001, 0x9001, YM2203_write_port_0_w },
	{ 0xa000, 0xa000, YM3526_control_port_0_w },
	{ 0xa001, 0xa001, YM3526_write_port_0_w },
	{ 0xb000, 0xb001, MWA_NOP },	/* sound chip? */
	{ 0xb002, 0xb002, MWA_NOP },	/* interrupt enable/acknowledge? */
	{ 0xe000, 0xefff, MWA_ROM },	/* space for diagnostic ROM? */
	{ -1 }	/* end of table */
};

INPUT_PORTS_START( bublbobl_input_ports )
	PORT_START      /* DSW0 */
	PORT_DIPNAME( 0x01, 0x00, "Language", IP_KEY_NONE )
	PORT_DIPSETTING(    0x01, "Japanese" )
	PORT_DIPSETTING(    0x00, "English" )
	PORT_DIPNAME( 0x02, 0x02, "Flip Screen", IP_KEY_NONE )
	PORT_DIPSETTING(    0x02, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_BITX(    0x04, 0x04, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x04, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_DIPNAME( 0x08, 0x08, "Demo Sounds", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x08, "On" )
	PORT_DIPNAME( 0x30, 0x30, "Coin A", IP_KEY_NONE )
	PORT_DIPSETTING(    0x10, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0x30, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x00, "2 Coins/3 Credits" )
	PORT_DIPSETTING(    0x20, "1 Coin/2 Credits" )
	PORT_DIPNAME( 0xc0, 0xc0, "Coin B", IP_KEY_NONE )
	PORT_DIPSETTING(    0x40, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0xc0, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x00, "2 Coins/3 Credits" )
	PORT_DIPSETTING(    0x80, "1 Coin/2 Credits" )

	PORT_START      /* DSW1 */
	PORT_DIPNAME( 0x03, 0x03, "Difficulty", IP_KEY_NONE )
	PORT_DIPSETTING(    0x02, "Easy" )
	PORT_DIPSETTING(    0x03, "Medium" )
	PORT_DIPSETTING(    0x01, "Hard" )
	PORT_DIPSETTING(    0x00, "Hardest" )
	PORT_DIPNAME( 0x0c, 0x0c, "Bonus Life", IP_KEY_NONE )
	PORT_DIPSETTING(    0x08, "20000 80000" )
	PORT_DIPSETTING(    0x0c, "30000 100000" )
	PORT_DIPSETTING(    0x04, "40000 200000" )
	PORT_DIPSETTING(    0x00, "50000 250000" )
	PORT_DIPNAME( 0x30, 0x30, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x10, "1" )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x30, "3" )
	PORT_DIPSETTING(    0x20, "5" )
	PORT_DIPNAME( 0xc0, 0xc0, "Spare", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "A" )
	PORT_DIPSETTING(    0x40, "B" )
	PORT_DIPSETTING(    0x80, "C" )
	PORT_DIPSETTING(    0xc0, "D" )

	PORT_START      /* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START      /* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY | IPF_PLAYER2 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY | IPF_PLAYER2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_TILT ) /* ?????*/
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( boblbobl_input_ports )
	PORT_START      /* DSW0 */
	PORT_DIPNAME( 0x01, 0x00, "Language", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "English" )
	PORT_DIPSETTING(    0x01, "Japanese" )
	PORT_DIPNAME( 0x02, 0x00, "Flip Screen", IP_KEY_NONE )
	PORT_DIPSETTING(    0x02, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_BITX(    0x04, 0x04, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x04, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_DIPNAME( 0x08, 0x08, "Demo Sounds", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x08, "On" )
	PORT_DIPNAME( 0x30, 0x30, "Coin A", IP_KEY_NONE )
	PORT_DIPSETTING(    0x10, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0x30, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x00, "2 Coins/3 Credits" )
	PORT_DIPSETTING(    0x20, "1 Coin/2 Credits" )
	PORT_DIPNAME( 0xc0, 0xc0, "Coin B", IP_KEY_NONE )
	PORT_DIPSETTING(    0x40, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0xc0, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x00, "2 Coins/3 Credits" )
	PORT_DIPSETTING(    0x80, "1 Coin/2 Credits" )

	PORT_START      /* DSW1 */
	PORT_DIPNAME( 0x03, 0x03, "Difficulty", IP_KEY_NONE )
	PORT_DIPSETTING(    0x02, "Easy" )
	PORT_DIPSETTING(    0x03, "Medium" )
	PORT_DIPSETTING(    0x01, "Hard" )
	PORT_DIPSETTING(    0x00, "Hardest" )
	PORT_DIPNAME( 0x0c, 0x0c, "Bonus Life", IP_KEY_NONE )
	PORT_DIPSETTING(    0x08, "20000 80000" )
	PORT_DIPSETTING(    0x0c, "30000 100000" )
	PORT_DIPSETTING(    0x04, "40000 200000" )
	PORT_DIPSETTING(    0x00, "50000 250000" )
	PORT_DIPNAME( 0x30, 0x30, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x10, "1" )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x30, "3" )
	PORT_DIPSETTING(    0x20, "5" )
	PORT_DIPNAME( 0xc0, 0x00, "Monster Speed", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Normal" )
	PORT_DIPSETTING(    0x40, "Medium" )
	PORT_DIPSETTING(    0x80, "High" )
	PORT_DIPSETTING(    0xc0, "Very High" )

	PORT_START      /* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START      /* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY | IPF_PLAYER2 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY | IPF_PLAYER2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_TILT ) /* ?????*/
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( sboblbob_input_ports )
	PORT_START      /* DSW0 */
	PORT_DIPNAME( 0x01, 0x00, "Game", IP_KEY_NONE )
	PORT_DIPSETTING(    0x01, "Bobble Bobble" )
	PORT_DIPSETTING(    0x00, "Super Bobble Bobble" )
	PORT_DIPNAME( 0x02, 0x02, "Flip Screen", IP_KEY_NONE )
	PORT_DIPSETTING(    0x02, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_BITX(    0x04, 0x04, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x04, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_DIPNAME( 0x08, 0x08, "Demo Sounds", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x08, "On" )
	PORT_DIPNAME( 0x30, 0x30, "Coin A", IP_KEY_NONE )
	PORT_DIPSETTING(    0x10, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0x30, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x00, "2 Coins/3 Credits" )
	PORT_DIPSETTING(    0x20, "1 Coin/2 Credits" )
	PORT_DIPNAME( 0xc0, 0xc0, "Coin B", IP_KEY_NONE )
	PORT_DIPSETTING(    0x40, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0xc0, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x00, "2 Coins/3 Credits" )
	PORT_DIPSETTING(    0x80, "1 Coin/2 Credits" )

	PORT_START      /* DSW1 */
	PORT_DIPNAME( 0x03, 0x03, "Difficulty", IP_KEY_NONE )
	PORT_DIPSETTING(    0x02, "Easy" )
	PORT_DIPSETTING(    0x03, "Medium" )
	PORT_DIPSETTING(    0x01, "Hard" )
	PORT_DIPSETTING(    0x00, "Hardest" )
	PORT_DIPNAME( 0x0c, 0x0c, "Bonus Life", IP_KEY_NONE )
	PORT_DIPSETTING(    0x08, "20000 80000" )
	PORT_DIPSETTING(    0x0c, "30000 100000" )
	PORT_DIPSETTING(    0x04, "40000 200000" )
	PORT_DIPSETTING(    0x00, "50000 250000" )
	PORT_DIPNAME( 0x30, 0x30, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x10, "1" )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x30, "3" )
	PORT_BITX( 0,       0x20, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "100", IP_KEY_NONE, IP_JOY_NONE, 0 )
	PORT_DIPNAME( 0xc0, 0x00, "Monster Speed", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Normal" )
	PORT_DIPSETTING(    0x40, "Medium" )
	PORT_DIPSETTING(    0x80, "High" )
	PORT_DIPSETTING(    0xc0, "Very High" )

	PORT_START      /* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START      /* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY | IPF_PLAYER2 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY | IPF_PLAYER2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_TILT ) /* ?????*/
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END



static struct GfxLayout charlayout =
{
	8,8,	/* the characters are 8x8 pixels */
	256*8*6,			/* 256 characters per bank,
						* 8 banks per ROM pair,
						* 6 ROM pairs */
	4,	/* 4 bits per pixel */
	{ 0, 4, 6*0x8000*8, 6*0x8000*8+4 },
	{ 3, 2, 1, 0, 8+3, 8+2, 8+1, 8+0 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
	16*8	/* every char takes 16 bytes in two ROMs */
};

static struct GfxDecodeInfo gfxdecodeinfo[] =
{
	/* read all graphics into one big graphics region */
	{ 1, 0x00000, &charlayout, 0, 16 },
	{ -1 }	/* end of array */
};



/* handler called by the 2203 emulator when the internal timers cause an IRQ */
static void irqhandler(void)
{
	cpu_cause_interrupt(2,0xff);
}

static struct YM2203interface ym2203_interface =
{